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I found this very useful when replacing my Edge 500 back cover, to fix an Enter button that had cracked up.

The only extra trick I had to work out was how to remove the speaker. I tried just picking out the glue aroundthe edges of the speaker, but it still wouldn't budge. So then I used a 3 ml hypodermic syringe to squirt about0.5 ml of acetone around the edge of the speaker. After 30 seconds, I could then slowly prise it up with a bent-nose tweezer.

To reinstall the speaker, I used some silicone sealant, dabbed just around the edges of the speaker to mimic thepattern used previously.

I'd like to thank you Prendrefeu for starting this thread and giving such a detailed step by step set of instructions. I did this last night without any problems thanks to your pictures and instructions. I really appreciate all the great members of this forum.

Ive got a Garmin Edge 500 that was replaced outside of warranty (presumably for a refurb) about 12 months ago.

In the last week the battery usage has suddenly become awful, and the temperature is reading about 12 degrees C too hot.

Since charging on Wednesday it was completely flat within less than 3.5 hours of use, and this morning it used 29% of the battery in 40 minutes.

Ive done a bit of googling and can see that battery replacement is possibly DIY, but it sounds like that solves the problem of gradual battery decline for old batteries. Others who have reported the temperature problem have changed the battery and the problem has stayed, presumably because the problem is linked to some error in the unit causing high battery drain that both flattens it and heats it up.

Any advice? Ill do a master reset later, but dont hold much hope.

This is my 3rd failed Garmin, and Im loath to pay for another out of warranty replacement if this one is terminal. Are the 510s more reliable?